package cn.etynit;

import com.netflix.loadbalancer.RandomRule;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

@SpringBootApplication
@EnableEurekaClient
// 开启hystrix熔断器功能
@EnableCircuitBreaker
public class OrderApp {
    public static void main(String[] args) {
        SpringApplication.run(OrderApp.class,args);
    }

    // @Configuration：标识当前类是一个配置类，就相当于spring时期的时候哪个spring.xml配置文件
    @Bean // <bean id="restTemplate" class="org.springframework.web.client.RestTemplate"></bean>
    @LoadBalanced // 让RestTemplate具有负载均衡的能力
    public RestTemplate restTemplate(){
        return new RestTemplate();
    }

    /*
     * @Description: 配置负载均衡为随机算法
     * @Author: Director
     * @Date: 2022/7/27 17:00
     * @return: com.netflix.loadbalancer.RandomRule
     **/
    @Bean
    public RandomRule randomRule(){
        return new RandomRule();
    }
}
